Congratulations for this great and awesome ToneLib GFX suite. It's my favorite. I have verified that saving the presets does not save the configuration of the inputs (input channel route). Both stand alone and VST 2 in Reaper 64 Bits. Windows 7 64 Bits. Regards
Thank you for your bug report and sorry for the inconvenience. The issue should be fixed now (build version 3.7.6). Please let us know if you have any thoughts or comments.